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41 Cards in this Set
- Front
- Back
accommodation
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adjustment as an accommodation of the lens of the eye
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aqueous humor
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fluid secreted by the canal of Schlemm and provides nutrients for the eye;
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astigmatism
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condition in which the eye cannot bring horizontal and vertical lines into focus at the same time, causing blurry vision, as a result of irregularties in the curvature of the cornea and lens.
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auricle
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flap of cartilage and skin that comprises the outer ear; external ear, pinna. A portion of the atrium of the heart.
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cochlea
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snail-shaped organ of the inner ear; the essential organ of hearing
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cones
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specialized neurons soncentrated in the retina's center that receive color, add visual acuity, and require a significant amount of light of function.
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conjunctiva
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transparent mucous membrane covering the anterior eye (front)
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cornea
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the transparent front covering of the eye, as in a corneal transplant
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eustachian tube
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the passage from the throat to the middle ear, auditory tube
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gustation
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sense of taste
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hyperopia
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condition in which light rays focus behing the retina; farsightedness
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incus
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the "anvil" one of three tiny bones within the middle ear which are set in mtion by sound waves.
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iris
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pigmentd section of the front of the eyeball that gives the eye color
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labyrinth
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the inner ear, including the vestibule, cochlea and semicircular canals
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lacrimal gland
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pertaining to tears as the lacrimal glands to the eye
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lens
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a transparent crystalline eye structure that converges or scatters light rays before they focus as images on the retina
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malleus
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the "hammer," one of three tiny bones within the middle ear which are set in motion by sound waves
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membranous labyrinth
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set of tunnels and chambers in the inner ear.
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myopia
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nearsightedness; light rays focus in front of retina
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olfaction
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sense of smell
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ophthalmology
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medical specialty related to the study of the eye and vision
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optic disk
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eye region that is not light senstive
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orbit
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ball shaped cavity in the skull that contains the eye
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organ of Corti
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small but intricate organ in the inner ear where the transmission of nerve stimuli begins
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ossicle
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collectively, the three tiny bones in the middle ear (the malleus, incus, and the stapes) which are set in motion by sound waves
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otology
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study of the anatomy and physiology of the ear and related disorders
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pinna
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external ear; auricle
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presbycusis
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hearing loss that occurs with aging.
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presbyopia
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farsightedness that occurs with aging
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proprioceptor
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located in muscles, tendons, and joints and thye determine the location or position of the body because the relay information about the relationship of the body parts to one another
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ptosis
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drooping or saggin of an organ or part from its normal position (eyelid)
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pupil
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black center of the eye that regulates the amount of light that enters it
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retina
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the inntermost tunic of the eyeball that contains rods and cones and is the origin of the optic nerve. Light rays focus at the retina in normal vision.
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rods
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specialized neurons dispersed throughout the retina, suited to dim light and especially useful in night vision.
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sclera
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outer coating of the eyeball
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semicircular canal
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section of the inner ear that contains hairlike nerve endings that respond to movement and control the sense of balance.
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stapes
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the "stirrup" one of three tiny bones within the middle ear which are set in motion by sound waves
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tinnitus
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ringing in the ears
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tympanic membrane
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eardrum
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vertigo
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sensation of rotation or movement of self (subjective vertigo) or surroundings (objective vertigo) Not all dizziness is true vertigo
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viterous humor
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a transparent gelatin-like material that fills the space behind the lens of the eye
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